diplodocus.org Git - nmh/blob - sbr/seq_setunseen.c

   1
   2 /*
   3  * seq_setunseen.c -- add/delete all messages which have the SELECT_UNSEEN
   4  *                 -- bit set to/from the Unseen-Sequence
   5  *
   6  * $Id$
   7  */
   8
   9 #include <h/mh.h>
  10
  11 /*
  12  * We scan through the folder and act upon all messages
  13  * that are marked with the SELECT_UNSEEN bit.
  14  *
  15  * If seen == 1, delete messages from unseen sequence.
  16  * If seen == 0, add messages to unseen sequence.
  17  */
  18
  19 void
  20 seq_setunseen (struct msgs *mp, int seen)
  21 {
  22     int msgnum;
  23     char **ap, *cp, *dp;
  24
  25     /*
  26      * Get the list of sequences for Unseen-Sequence
  27      * and split them.
  28      */
  29     if ((cp = context_find (usequence))) {
  30         dp = getcpy (cp);
  31         if (!(ap = brkstring (dp, " ", "\n")) || !*ap) {
  32             free (dp);
  33             return;
  34         }
  35     } else {
  36         return;
  37     }
  38
  39     /*
  40      * Now add/delete each message which has the SELECT_UNSEEN
  41      * bit set to/from each of these sequences.
  42      */
  43     for (; *ap; ap++) {
  44         if (seen) {
  45             /* make sure sequence exists first */
  46             if (seq_getnum(mp, *ap) != -1)
  47                 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
  48                     if (is_unseen (mp, msgnum))
  49                         seq_delmsg (mp, *ap, msgnum);
  50         } else {
  51             for (msgnum = mp->lowmsg; msgnum <= mp->hghmsg; msgnum++)
  52                 if (is_unseen (mp, msgnum))
  53                     seq_addmsg (mp, *ap, msgnum, -1, 0);
  54         }
  55     }
  56
  57     free (dp);
  58 }